Discovery Channel :: News :: Oceangoing Robot Glides Under Water
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Spray in the Lab
Pictures: Courtesy of Jayne Doucette, Woods Hole Oceanographic Institution |

Spray in the Lab
Above is an illustration of Spray in action. The buoyancy is controlled internally by battery-powered pumps that move mineral oil from one bladder to another, changing the overall density of the vehicle to greater or lesser than that of the surrounding water.



Pictures: Courtesy of Jayne Doucette, Woods Hole Oceanographic Institution |

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